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Soliton interferometry with very narrow barriers obtained from spatially dependent dressed states [dataset]

Bright solitons in atomic Bose-Einstein condensates are a strong candidate for high precision matter-wave interferometry, as their inherent stability against dispersion supports long interrogation times. One analog to a beam splitter for these solitons is a narrow potential barrier. A very narrow barrier is desirable for interferometric purposes, but the width in a typical realisation, using a blue-detuned optical dipole potential, is limited by the wavelength of the laser light. We investigate a soliton interferometry scheme using the geometric scalar potential experienced by atoms in a spatially dependent dark state to overcome this limit. We propose a possible implementation and numerically probe the effects of deviations from the ideal.

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  Title Date Uploaded Visibility Action
  9 April 2021 Open Access
File Name:
dark.tar
File Format:
x-gzip (GZIP Format, GZIP)
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Depositor:
C.L. Grimshaw
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Users: xmrf88